HB 666 — Research Facilities and Testing Facilities That Use Animals - Prohibitions and Adoption Requirements (Animal Research Modernization and Best Practices Act of 2026)
MD 2026RS session · introduced 2026-01-30
Prohibiting a research facility or a testing facility from using certain dogs and cats for research or testing purposes; prohibiting a research facility or testing facility from performing devocalization procedures on dogs or cats; prohibiting a testing facility from using traditional animal test methods under certain circumstances; applying certain provisions of law regarding the adoption of dogs and cats used for scientific research purposes to testing facilities; etc.
Latest action: — In the Senate - Rereferred to Education, Energy, and the Environment
Sponsors (11)
- Bonnie Cullison (D, MD-19) — sponsor · 2026-01-30
- Nick Allen (D, MD-8) — cosponsor · 2026-01-30
- Dylan Behler (D, MD-30) — cosponsor · 2026-01-30
- Linda Foley (D, MD-15) — cosponsor · 2026-01-30
- Michele Guyton (D, MD-42) — cosponsor · 2026-01-30
- Anne Healey (D, MD-22) — cosponsor · 2026-01-30
- Marvin E. Holmes (D, MD-23) — cosponsor · 2026-01-30
- Robbyn Lewis (D, MD-46) — cosponsor · 2026-01-30
- Darrell Odom (D, MD-27) — cosponsor · 2026-01-30
- Dana Stein (D, MD-11) — cosponsor · 2026-01-30
- Natalie Ziegler (D, MD-9) — cosponsor · 2026-01-30
Action timeline (6)
- · house — First Reading
- · house — Hearing — Environment and Transportation
- · house — Second Reading — Passed with Amendments
- · senate — First Reading (cross-filed)
- · house — Third Reading — Passed
- · house — Committee Report — Favorable with Amendments
Text versions (0)
No text versions on file yet — same ingest as the action timeline populates these. Each version has direct links to the XML / HTML / PDF at govinfo.gov.
Bill text (extracted)
Amendments
Congressional Research Service briefs (0)
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No CRS reports cite this bill yet.
Connected on the graph
2 typed relationships in the influence graph — 0 inbound, 2 outbound, grouped by type.
referred to committee (2)
| date | dir | entity | amount | role | source |
|---|---|---|---|---|---|
| — | → | Senate education, energy, and the environment | — | md-leg | |
| — | → | House environment and transportation | — | md-leg |
Who matters on this bill
Who matters
Members ranked by combined influence on this bill: role (sponsor 5 / cosponsor 1), capped speech count from the Congressional Record, and recorded-vote engagement.
| # | Member | Role | Speeches | Voted | Score |
|---|---|---|---|---|---|
| 1 | Bonnie Cullison (D, state_lower MD-19) | sponsor | 0 | — | 5 |
| 2 | Anne Healey (D, state_lower MD-22) | cosponsor | 0 | — | 1 |
| 3 | Dana Stein (D, state_lower MD-11) | cosponsor | 0 | — | 1 |
| 4 | Darrell Odom (D, state_lower MD-27) | cosponsor | 0 | — | 1 |
| 5 | Dylan Behler (D, state_lower MD-30) | cosponsor | 0 | — | 1 |
| 6 | Linda Foley (D, state_lower MD-15) | cosponsor | 0 | — | 1 |
| 7 | Marvin E. Holmes (D, state_lower MD-23) | cosponsor | 0 | — | 1 |
| 8 | Michele Guyton (D, state_lower MD-42) | cosponsor | 0 | — | 1 |
| 9 | Natalie Ziegler (D, state_lower MD-9) | cosponsor | 0 | — | 1 |
| 10 | Nick Allen (D, state_lower MD-8) | cosponsor | 0 | — | 1 |
| 11 | Robbyn Lewis (D, state_lower MD-46) | cosponsor | 0 | — | 1 |
Stance (positions taken)
Predicted vote
Aggregated from: actual roll-call votes (when present) → sponsor → cosponsor → party median (predicts YES when ≥25% of the caucus sponsored/cosponsored). Each row labels its confidence tier so you can see why a position was predicted.
0 predicted yes (0%) · 543 predicted no (100%) · 0 unknown (0%)
By party: · R: 0 yes / 277 no · D: 0 yes / 263 no · I: 0 yes / 3 no
Timeline
Every typed-graph event involving this entity, newest first. Each row is one edge in the influence graph; the inline strip under the row shows the counterpart's own context (a bill's latest action, a hearing's chamber + date, a filing's form type + filed date, a clip's source + excerpt) so the timeline reads like a Wikipedia citation rail.
- 2026-05-24 · was referred to Senate education, energy, and the environment · md-leg
- 2026-05-24 · was referred to House environment and transportation · md-leg